Ans : jQuery is a lighweight library that emphasizes interaction between Javascript and HTML.

Q :- Is jQuery a library for client scripting or server scripting ?

Ans : Client Scripting.

Q :- Is jQuery a W3C standard ?

Ans : No.

Q :- Which sign does jQuery use as a shortcut for jQuery ?

Ans : $

eg: $("#div").css('color','red');

Q :- When and who founded jQuery ?

Ans : jQuery was founded by John Resig in January 2006.

Q :- What scripting language is jQuery written in ?

Ans : Javascript.

Q :- What are jQuery Selectors ?

Ans : Selectors are used in jQuery to find and select DOM elements via id, class or element selector. There are many new selectors introduces in jQuery. Using jQuery selectors DOM elements can be selected and manipulated.

Q :- What does $("div") will select ?

Ans : This will select all the div elements on page.

Q :- What are the fastest selectors in jQuery ?

Ans : ID and element selectors are the fastest selectors in jQuery.

Q :- What are the slow selectors in jQuery ?

Ans : class selectors are the slow compare to ID and element.

Q :- How can you select all elements in page using jQuery ?

Ans : We can use all selector to select all elements on page.

eg : $('*')

Q :- How to select element having a particular class (".selected") ?

Ans : $('.selected')

Q :- How to set page title using jQuery ?

Ans :

$(functio()

{

$(document).attr('title','20fingers2Brains');

});

Q :- Is it possible to use jQuery together with AJAX?

Ans : Yes.

Q :- What is the name of jQuery method for an asynchronous HTTP request ?